Home / 74,316.12-102,556.44-42,485.88

Finding the Fourth Proportional to 74,316.12, 102,556.44 and 42,485.88

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Solution

The fourth proportional to 74,316.12, 102,556.44 and 42,485.88 is: 58,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,316.12 : 102,556.44 = 42,485.88 : x
  2. Step 2: Convert to fraction form
    74,316.12/102,556.44 = 42,485.88/x
  3. Step 3: Cross multiply
    74,316.12x = 102,556.44 × 42,485.88
  4. Step 4: Simplify right side
    74,316.12x = 4,357,200,603.07
  5. Step 5: Solve for x
    x = 4,357,200,603.07/74,316.12
  6. Step 6: Final answer
    x = 58,630.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.